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Finding the Fourth Proportional to 626,879.50, 940,317.21 and 227,519.74

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Solution

The fourth proportional to 626,879.50, 940,317.21 and 227,519.74 is: 341,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,879.50 : 940,317.21 = 227,519.74 : x
  2. Step 2: Convert to fraction form
    626,879.50/940,317.21 = 227,519.74/x
  3. Step 3: Cross multiply
    626,879.50x = 940,317.21 × 227,519.74
  4. Step 4: Simplify right side
    626,879.50x = 213,940,727,136.73
  5. Step 5: Solve for x
    x = 213,940,727,136.73/626,879.50
  6. Step 6: Final answer
    x = 341,278.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.